<?php


namespace app\admin\logic;

/**
 * 观察管理主体接口
 * Interface SubjectCache
 * @package app\admin\cache
 * @author Mr.Li
 * @create 2021-08-18 10:22
 */
interface ObSubjectInterface
{
    public function addObService($key, ObService $observer);

    public function removeObService($key);

    public function notify($params);

}
